MailChimp makes it easy to design and send beautiful emails, manage your subscribers and track your campaign's performance. Don't have a MailChimp account? No problem. Sign up free with the iPhone app. With the MailChimp iPhone app you can: *Add subscribers to your mailing list *View fancy reports for your email campaigns *See how your campaigns are spreading on Twitter *See where in the world your subscribers are *Edit and unsubscribe peopl...